Who pays the tariff? And if we were energy independent, why would we be importing oil? Remember, the customer always pays for any taxes levied on the producer of goods and services. The costs of doing business are passed on to the buyer.
Moslems and other America hating liberals...otherwise, people would vote with their pocketbooks.
It would certainly encourage domestic development. You could start with a modest rate and start ramping it up as domestic development increased.
Given a future business friendly power structure in DC, and since there is much untapped resource on federal lands, and since (theoretically) the American People own those mineral rights; why couldn't/shouldn't there be strings attached to the disposition of that oil?
Why should a lessee be able to sell that crude into the global market without an export penalty, when it could be dumped here to increase domestic supply and lower the cost?
Especially if that lessee happens to be a foreign interest.